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Implications of bridging collaterals
Posted Feb 10 2011 12:31pm
Coronary collateral circulation continues to be a poorly understood phenomenon.
It reduces the impact of ischemia , salvage myocardium, keep it viable, and can even be life saving during a STEMI
It can support either the same coronary artery or the contra lateral coronary artery (Like the above patient )
The usefulness of collaterals at times of exertion is controversial .Most interventionists do not believe in it . (Facts are opposite of course !)
Bridging coronary arterial collateral often indicate hardened total occlusion and success of PCI is reduced
Here is the angiogram which shows classical intra coronary bridging collaterals.
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